<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `map_gui/src/render/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> <link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"> <link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../map_gui/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><span class="help-button">?</span> <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span id="18"> 18</span> <span id="19"> 19</span> <span id="20"> 20</span> <span id="21"> 21</span> <span id="22"> 22</span> <span id="23"> 23</span> <span id="24"> 24</span> <span id="25"> 25</span> <span id="26"> 26</span> <span id="27"> 27</span> <span id="28"> 28</span> <span id="29"> 29</span> <span id="30"> 30</span> <span id="31"> 31</span> <span id="32"> 32</span> <span id="33"> 33</span> <span id="34"> 34</span> <span id="35"> 35</span> <span id="36"> 36</span> <span id="37"> 37</span> <span id="38"> 38</span> <span id="39"> 39</span> <span id="40"> 40</span> <span id="41"> 41</span> <span id="42"> 42</span> <span id="43"> 43</span> <span id="44"> 44</span> <span id="45"> 45</span> <span id="46"> 46</span> <span id="47"> 47</span> <span id="48"> 48</span> <span id="49"> 49</span> <span id="50"> 50</span> <span id="51"> 51</span> <span id="52"> 52</span> <span id="53"> 53</span> <span id="54"> 54</span> <span id="55"> 55</span> <span id="56"> 56</span> <span id="57"> 57</span> <span id="58"> 58</span> <span id="59"> 59</span> <span id="60"> 60</span> <span id="61"> 61</span> <span id="62"> 62</span> <span id="63"> 63</span> <span id="64"> 64</span> <span id="65"> 65</span> <span id="66"> 66</span> <span id="67"> 67</span> <span id="68"> 68</span> <span id="69"> 69</span> <span id="70"> 70</span> <span id="71"> 71</span> <span id="72"> 72</span> <span id="73"> 73</span> <span id="74"> 74</span> <span id="75"> 75</span> <span id="76"> 76</span> <span id="77"> 77</span> <span id="78"> 78</span> <span id="79"> 79</span> <span id="80"> 80</span> <span id="81"> 81</span> <span id="82"> 82</span> <span id="83"> 83</span> <span id="84"> 84</span> <span id="85"> 85</span> <span id="86"> 86</span> <span id="87"> 87</span> <span id="88"> 88</span> <span id="89"> 89</span> <span id="90"> 90</span> <span id="91"> 91</span> <span id="92"> 92</span> <span id="93"> 93</span> <span id="94"> 94</span> <span id="95"> 95</span> <span id="96"> 96</span> <span id="97"> 97</span> <span id="98"> 98</span> <span id="99"> 99</span> <span id="100">100</span> <span id="101">101</span> <span id="102">102</span> <span id="103">103</span> </pre><div class="example-wrap"><pre class="rust "> <span class="doccomment">//! Render static and dynamic map elements.</span> <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Distance</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">IntersectionID</span>, <span class="ident">Map</span>, <span class="ident">NORMAL_LANE_THICKNESS</span>, <span class="ident">SIDEWALK_THICKNESS</span>}; <span class="kw">use</span> <span class="ident">sim</span>::{<span class="ident">DrawCarInput</span>, <span class="ident">VehicleType</span>}; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">GfxCtx</span>, <span class="ident">Prerender</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">colors</span>::<span class="ident">ColorScheme</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">agents</span>::{<span class="ident">AgentCache</span>, <span class="ident">UnzoomedAgents</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">area</span>::<span class="ident">DrawArea</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">bike</span>::<span class="ident">DrawBike</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">building</span>::<span class="ident">DrawBuilding</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">car</span>::<span class="ident">DrawCar</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">intersection</span>::{<span class="ident">calculate_corners</span>, <span class="ident">DrawIntersection</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">map</span>::<span class="ident">DrawMap</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">pedestrian</span>::{<span class="ident">DrawPedCrowd</span>, <span class="ident">DrawPedestrian</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::<span class="ident">turn</span>::{<span class="ident">DrawMovement</span>, <span class="ident">DrawUberTurnGroup</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">AppLike</span>, <span class="ident">ID</span>}; <span class="kw">mod</span> <span class="ident">agents</span>; <span class="kw">mod</span> <span class="ident">area</span>; <span class="kw">mod</span> <span class="ident">bike</span>; <span class="kw">mod</span> <span class="ident">building</span>; <span class="kw">mod</span> <span class="ident">bus_stop</span>; <span class="kw">mod</span> <span class="ident">car</span>; <span class="kw">mod</span> <span class="ident">intersection</span>; <span class="kw">mod</span> <span class="ident">lane</span>; <span class="kw">mod</span> <span class="ident">map</span>; <span class="kw">mod</span> <span class="ident">parking_lot</span>; <span class="kw">mod</span> <span class="ident">pedestrian</span>; <span class="kw">mod</span> <span class="ident">road</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">traffic_signal</span>; <span class="kw">mod</span> <span class="ident">turn</span>; <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BIG_ARROW_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">0.5</span>); <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CROSSWALK_LINE_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">0.15</span>); <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">OUTLINE_THICKNESS</span>: <span class="ident">Distance</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">const_meters</span>(<span class="number">0.5</span>); <span class="comment">// Does something belong here or as a method on ID? If it ONLY applies to renderable things, then</span> <span class="comment">// here. For example, trips aren't drawn, so it's meaningless to ask what their bounding box is.</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Renderable</span> { <span class="comment">// TODO This is expensive for the PedCrowd case. :( Returning a borrow is awkward, because most</span> <span class="comment">// Renderables are better off storing the inner ID directly.</span> <span class="kw">fn</span> <span class="ident">get_id</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">ID</span>; <span class="comment">// Only traffic signals need UI. :\</span> <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="ident">dyn</span> <span class="ident">AppLike</span>, <span class="ident">opts</span>: <span class="kw-2">&</span><span class="ident">DrawOptions</span>); <span class="comment">// Higher z-ordered objects are drawn later. Default to low so roads at -1 don't vanish.</span> <span class="kw">fn</span> <span class="ident">get_zorder</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">isize</span> { <span class="op">-</span><span class="number">5</span> } <span class="comment">// This outline is drawn over the base object to show that it's selected. It also represents</span> <span class="comment">// the boundaries for quadtrees. This isn't called often; don't worry about caching.</span> <span class="kw">fn</span> <span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Polygon</span>; <span class="kw">fn</span> <span class="ident">contains_pt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">pt</span>: <span class="ident">Pt2D</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">get_outline</span>(<span class="ident">map</span>).<span class="ident">contains_pt</span>(<span class="ident">pt</span>) } } <span class="kw">fn</span> <span class="ident">draw_vehicle</span>( <span class="ident">input</span>: <span class="ident">DrawCarInput</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>, <span class="ident">prerender</span>: <span class="kw-2">&</span><span class="ident">Prerender</span>, <span class="ident">cs</span>: <span class="kw-2">&</span><span class="ident">ColorScheme</span>, ) <span class="op">-</span><span class="op">></span> <span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">Renderable</span><span class="op">></span> { <span class="kw">if</span> <span class="ident">input</span>.<span class="ident">id</span>.<span class="number">1</span> <span class="op">=</span><span class="op">=</span> <span class="ident">VehicleType</span>::<span class="ident">Bike</span> { <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">DrawBike</span>::<span class="ident">new</span>(<span class="ident">input</span>, <span class="ident">map</span>, <span class="ident">prerender</span>, <span class="ident">cs</span>)) } <span class="kw">else</span> { <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">DrawCar</span>::<span class="ident">new</span>(<span class="ident">input</span>, <span class="ident">map</span>, <span class="ident">prerender</span>, <span class="ident">cs</span>)) } } <span class="doccomment">/// Control how the map is drawn.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DrawOptions</span> { <span class="doccomment">/// Don't draw the current traffic signal state.</span> <span class="kw">pub</span> <span class="ident">suppress_traffic_signal_details</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">IntersectionID</span><span class="op">></span>, <span class="doccomment">/// Label every building.</span> <span class="kw">pub</span> <span class="ident">label_buildings</span>: <span class="ident">bool</span>, <span class="doccomment">/// Draw building paths.</span> <span class="kw">pub</span> <span class="ident">show_building_paths</span>: <span class="ident">bool</span>, } <span class="kw">impl</span> <span class="ident">DrawOptions</span> { <span class="doccomment">/// Default options for drawing a map.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-</span><span class="op">></span> <span class="ident">DrawOptions</span> { <span class="ident">DrawOptions</span> { <span class="ident">suppress_traffic_signal_details</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(), <span class="ident">label_buildings</span>: <span class="bool-val">false</span>, <span class="ident">show_building_paths</span>: <span class="bool-val">true</span>, } } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">unzoomed_agent_radius</span>(<span class="ident">vt</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">VehicleType</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Distance</span> { <span class="comment">// Lane thickness is a little hard to see, so double it. Most of the time, the circles don't</span> <span class="comment">// leak out of the road too much.</span> <span class="kw">if</span> <span class="ident">vt</span>.<span class="ident">is_some</span>() { <span class="number">4.0</span> <span class="op">*</span> <span class="ident">NORMAL_LANE_THICKNESS</span> } <span class="kw">else</span> { <span class="number">4.0</span> <span class="op">*</span> <span class="ident">SIDEWALK_THICKNESS</span> } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../";window.currentCrate = "map_gui";</script><script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script><script defer src="../../../search-index.js"></script></body></html>